mirror of
https://github.com/reactos/reactos.git
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300 lines
8.3 KiB
C
300 lines
8.3 KiB
C
/*
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* PROJECT: ReactOS Universal Serial Bus Bulk Storage Driver
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: USB block storage device driver.
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* COPYRIGHT: 2005-2006 James Tabor
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* 2011-2012 Michael Martin (michael.martin@reactos.org)
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* 2011-2013 Johannes Anderwald (johannes.anderwald@reactos.org)
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*/
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#include "usbstor.h"
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#define NDEBUG
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#include <debug.h>
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IO_COMPLETION_ROUTINE SyncForwardIrpCompletionRoutine;
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NTSTATUS
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NTAPI
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USBSTOR_SyncForwardIrpCompletionRoutine(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp,
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PVOID Context)
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{
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if (Irp->PendingReturned)
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{
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KeSetEvent((PKEVENT)Context, IO_NO_INCREMENT, FALSE);
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}
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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NTSTATUS
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NTAPI
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USBSTOR_GetBusInterface(
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IN PDEVICE_OBJECT DeviceObject,
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OUT PUSB_BUS_INTERFACE_USBDI_V2 BusInterface)
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{
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KEVENT Event;
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NTSTATUS Status;
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PIRP Irp;
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IO_STATUS_BLOCK IoStatus;
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PIO_STACK_LOCATION Stack;
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ASSERT(DeviceObject);
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ASSERT(BusInterface);
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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Irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP,
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DeviceObject,
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NULL,
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0,
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NULL,
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&Event,
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&IoStatus);
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if (Irp == NULL)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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// initialize request
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Stack = IoGetNextIrpStackLocation(Irp);
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Stack->MajorFunction = IRP_MJ_PNP;
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Stack->MinorFunction = IRP_MN_QUERY_INTERFACE;
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Stack->Parameters.QueryInterface.Size = sizeof(BUS_INTERFACE_STANDARD);
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Stack->Parameters.QueryInterface.InterfaceType = (LPGUID)&USB_BUS_INTERFACE_USBDI_GUID;
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Stack->Parameters.QueryInterface.Version = 2;
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Stack->Parameters.QueryInterface.Interface = (PINTERFACE)BusInterface;
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Stack->Parameters.QueryInterface.InterfaceSpecificData = NULL;
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Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
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Status = IoCallDriver(DeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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Status = IoStatus.Status;
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}
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return Status;
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}
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NTSTATUS
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USBSTOR_SyncUrbRequest(
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IN PDEVICE_OBJECT DeviceObject,
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OUT PURB UrbRequest)
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{
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PIRP Irp;
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PIO_STACK_LOCATION IoStack;
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KEVENT Event;
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NTSTATUS Status;
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Irp = IoAllocateIrp(DeviceObject->StackSize, FALSE);
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if (!Irp)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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IoStack = IoGetNextIrpStackLocation(Irp);
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// initialize stack location
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IoStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
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IoStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
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IoStack->Parameters.Others.Argument1 = (PVOID)UrbRequest;
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IoStack->Parameters.DeviceIoControl.InputBufferLength = UrbRequest->UrbHeader.Length;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoSetCompletionRoutine(Irp, USBSTOR_SyncForwardIrpCompletionRoutine, &Event, TRUE, TRUE, TRUE);
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Status = IoCallDriver(DeviceObject, Irp);
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if (Status == STATUS_PENDING)
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{
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KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
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Status = Irp->IoStatus.Status;
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}
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IoFreeIrp(Irp);
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return Status;
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}
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PVOID
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AllocateItem(
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IN POOL_TYPE PoolType,
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IN ULONG ItemSize)
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{
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PVOID Item = ExAllocatePoolWithTag(PoolType, ItemSize, USB_STOR_TAG);
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if (Item)
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{
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RtlZeroMemory(Item, ItemSize);
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}
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return Item;
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}
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VOID
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FreeItem(
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IN PVOID Item)
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{
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ExFreePoolWithTag(Item, USB_STOR_TAG);
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}
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NTSTATUS
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USBSTOR_ClassRequest(
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IN PDEVICE_OBJECT DeviceObject,
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IN PFDO_DEVICE_EXTENSION DeviceExtension,
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IN UCHAR RequestType,
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IN USHORT Index,
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IN ULONG TransferFlags,
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IN ULONG TransferBufferLength,
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IN PVOID TransferBuffer)
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{
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PURB Urb;
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NTSTATUS Status;
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Urb = (PURB)AllocateItem(NonPagedPool, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST));
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if (!Urb)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Urb->UrbControlVendorClassRequest.Hdr.Length = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST);
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Urb->UrbControlVendorClassRequest.Hdr.Function = URB_FUNCTION_CLASS_INTERFACE;
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Urb->UrbControlVendorClassRequest.TransferFlags = TransferFlags;
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Urb->UrbControlVendorClassRequest.TransferBufferLength = TransferBufferLength;
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Urb->UrbControlVendorClassRequest.TransferBuffer = TransferBuffer;
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Urb->UrbControlVendorClassRequest.Request = RequestType;
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Urb->UrbControlVendorClassRequest.Index = Index;
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Status = USBSTOR_SyncUrbRequest(DeviceObject, Urb);
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FreeItem(Urb);
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return Status;
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}
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NTSTATUS
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USBSTOR_GetMaxLUN(
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IN PDEVICE_OBJECT DeviceObject,
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IN PFDO_DEVICE_EXTENSION DeviceExtension)
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{
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PUCHAR Buffer;
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NTSTATUS Status;
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Buffer = (PUCHAR)ExAllocatePoolWithTag(NonPagedPool, sizeof(UCHAR), USB_STOR_TAG);
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if (!Buffer)
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{
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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Status = USBSTOR_ClassRequest(DeviceObject, DeviceExtension, USB_BULK_GET_MAX_LUN, DeviceExtension->InterfaceInformation->InterfaceNumber, USBD_TRANSFER_DIRECTION_IN, sizeof(UCHAR), Buffer);
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DPRINT("MaxLUN: %x\n", *Buffer);
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if (NT_SUCCESS(Status))
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{
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if (*Buffer > MAX_LUN)
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{
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// invalid response documented in usb mass storage specification
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Status = STATUS_DEVICE_DATA_ERROR;
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}
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else
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{
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// store maxlun
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DeviceExtension->MaxLUN = *Buffer;
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}
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}
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else
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{
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// "USB Mass Storage Class. Bulk-Only Transport. Revision 1.0"
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// 3.2 Get Max LUN (class-specific request) :
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// Devices that do not support multiple LUNs may STALL this command.
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USBSTOR_ResetDevice(DeviceExtension->LowerDeviceObject, DeviceExtension);
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DeviceExtension->MaxLUN = 0;
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Status = STATUS_SUCCESS;
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}
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ExFreePoolWithTag(Buffer, USB_STOR_TAG);
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return Status;
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}
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NTSTATUS
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USBSTOR_ResetDevice(
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IN PDEVICE_OBJECT DeviceObject,
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IN PFDO_DEVICE_EXTENSION DeviceExtension)
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{
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NTSTATUS Status;
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Status = USBSTOR_ClassRequest(DeviceObject, DeviceExtension, USB_BULK_RESET_DEVICE, DeviceExtension->InterfaceInformation->InterfaceNumber, USBD_TRANSFER_DIRECTION_OUT, 0, NULL);
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return Status;
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}
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// if somebody wants to add UFI support, here is a useful function
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#if 0
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BOOLEAN
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USBSTOR_IsFloppy(
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IN PUCHAR Buffer,
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IN ULONG BufferLength,
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OUT PUCHAR MediumTypeCode)
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{
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PUFI_CAPACITY_FORMAT_HEADER FormatHeader;
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PUFI_CAPACITY_DESCRIPTOR Descriptor;
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ULONG Length, Index, BlockCount, BlockLength;
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FormatHeader = (PUFI_CAPACITY_FORMAT_HEADER)Buffer;
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ASSERT(FormatHeader->Reserved1 == 0x00);
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ASSERT(FormatHeader->Reserved2 == 0x00);
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ASSERT(FormatHeader->Reserved3 == 0x00);
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// is there capacity data
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if (!FormatHeader->CapacityLength)
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{
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DPRINT1("[USBSTOR] No capacity length\n");
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return FALSE;
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}
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// the format header are always 8 bytes in length
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ASSERT((FormatHeader->CapacityLength & 0x7) == 0);
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DPRINT1("CapacityLength %x\n", FormatHeader->CapacityLength);
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// grab length and locate first descriptor
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Length = FormatHeader->CapacityLength;
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Descriptor = (PUFI_CAPACITY_DESCRIPTOR)(FormatHeader + 1);
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for (Index = 0; Index < Length / sizeof(UFI_CAPACITY_DESCRIPTOR); Index++)
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{
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// blocks are little endian format
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BlockCount = NTOHL(Descriptor->BlockCount);
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BlockLength = NTOHL((Descriptor->BlockLengthByte0 << 24 | Descriptor->BlockLengthByte1 << 16 | Descriptor->BlockLengthByte2 << 8));
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DPRINT1("BlockCount %x BlockLength %x Code %x\n", BlockCount, BlockLength, Descriptor->Code);
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if (BlockLength == 512 && BlockCount == 1440)
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{
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// 720 KB DD
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*MediumTypeCode = 0x1E;
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return TRUE;
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}
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else if (BlockLength == 1024 && BlockCount == 1232)
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{
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// 1,25 MB
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*MediumTypeCode = 0x93;
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return TRUE;
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}
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else if (BlockLength == 512 && BlockCount == 2880)
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{
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// 1,44MB KB DD
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*MediumTypeCode = 0x94;
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return TRUE;
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}
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Descriptor++;
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}
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return FALSE;
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}
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#endif
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